EP2633506B1 - Method of operating a mobile control unit of a home-automation installation - Google Patents

Method of operating a mobile control unit of a home-automation installation Download PDF

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Publication number
EP2633506B1
EP2633506B1 EP11773293.3A EP11773293A EP2633506B1 EP 2633506 B1 EP2633506 B1 EP 2633506B1 EP 11773293 A EP11773293 A EP 11773293A EP 2633506 B1 EP2633506 B1 EP 2633506B1
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EP
European Patent Office
Prior art keywords
control unit
mobile control
home
installation
operating method
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Application number
EP11773293.3A
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German (de)
French (fr)
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EP2633506A1 (en
Inventor
Jean-Michel Orsat
Florent Pellarin
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Somfy SA
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Somfy SA
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/065—Network architectures or network communication protocols for network security for supporting key management in a packet data network for group communications

Definitions

  • the invention relates to the field of control of home automation equipment in several buildings comprising at least motorized closure or solar protection equipment, heating and air conditioning, lighting, individual pool management.
  • These home automation devices communicate with each other using a radio frequency or powerline-based home automation network and can communicate with remote servers.
  • the invention aims to simplify the control of these home automation equipment, particularly when a user wishes to use the same remote control in the context of his principal residence and as part of his second home, or when the user wishes to transmit rights of ownership. access to one of his neighbors without being obliged to provide him with a remote control.
  • the invention also makes it possible to use a main residence remote control to access a shared room, for example a hotel room, and / or to control the equipment of this shared room.
  • the patent application WO 03/088486 discloses a near field evaluation method for ensuring, when transmitting a pairing command, that a transmitter of this command is located in the immediate vicinity of a receiver.
  • the patent US7,724,687 provides that confidential data such as a "house key" can only be transmitted from one issuer to another issuer of orders if an order receiver previously validates this transmission.
  • the patent application WO 03/081352 describes a common key change method while the patent US 7,683,754 describes a method of selecting a group for the transmission of a common key, for example by using the supply voltage of the only elements of the group.
  • the patent application EP 1 967 923 describes a system and a method capable of providing a user with an environment corresponding to a preference profile, this environment being modified by the presence detection of the user, for example by means of an electronic tag.
  • the transmitter for establishing communication with the item to be controlled is connected to the mobile phone by the earphone jack or by coupling and uses a DTMF modulation or the like to transmit the coded signals from the mobile phone to the transmitter.
  • the patent EP 0 913 979 also describes the addition to a mobile phone of an additional transmitter for the remote control of an object.
  • a specific mode allows the remote control without use of the mobile radio and the subscriber code SIM of the card is used as a means of authentication of the user.
  • the cellular structure of the mobile communication network is used as a possibility of control of the authentication.
  • the patent application US 2002/0031228 describes a mobile phone capable of communicating both with a public GSM type communication network and, at a short distance, with Bluetooth devices, for example locks of hotel rooms or rental vehicles.
  • a connection between the mobile phone and a remote server is provided via the GSM network.
  • the remote server transmits the Bluetooth authentication key to the mobile phone, in encrypted and decrypable form by the mobile phone.
  • the key Bluetooth authentication is then transmitted by the mobile phone to the Bluetooth device using the Bluetooth transmitter.
  • the PIN code of the user can be used to secure the transmission.
  • WO 00/57375 describes an anti-theft security system for household electrical equipment. Whenever the equipment is powered up, it only works when a release code is received from a home controller through the power supply or local area network. Any equipment moved from its authorized position, that is, not receiving its release code from the home controller, will stop working. It is expected that the home controller can be stolen at the same time as the home electrical equipment.
  • the home controller comprises a location means for example via a cellular network or GPS and can transmit its position to a remote operating center, for example using the Internet or GSM network.
  • the home controller has no other function in an installation than to ensure the blocking or unblocking of the equipment in case of disconnection and reconnection of these on the power grid.
  • the patent application FR 2 924 890 describes a method of automatic selection of a device such as a home automation device using a proximity criterion: a message is broadcast to all devices and each of them responds. Depending on the received signal level, the nearest device is automatically identified to send a command.
  • the patent US 7,289,014 discloses an access barrier control system such as a gate or a garage door, in particular depending on the location and / or direction of movement of a vehicle in the vicinity of the access barrier. It is provided ( figure 9 ) that particular locations of a transponder or "Proximity device" can be learned using a GPS satellite location system, so that the control system causes a predetermined action when the "proximity device” finds such a location, after learning. For example, if the proximity device is in a so-called action location, then an action on a button causes an opening command, which is not the case outside this action location.
  • the patent application WO 01/71685 discloses a universal remote control and methods capable of displaying on the remote control display icons relating to equipment within radio range of the remote control, and / or control interfaces of these devices.
  • the patent US6,563,430 describes a remote control device whose control user interface depends on the location of the control device, inside a house for example. Many localization methods are described.
  • the patent US 7,363,028 also describes this type of control device and in particular a radiofrequency identification method of the equipment closest to the control device, by progressive decay of the transmission power. This device is used to control different HiFi equipment in a room.
  • the patent US7,110,761 describes the use of a directional pointing device to establish a wireless connection between the pointing device and another device, targeted by the directional pointing device.
  • the object of the invention is to provide a method of operating a mobile control unit overcomes the disadvantages mentioned above and improving the methods known from the prior art.
  • the invention proposes a secure operating method in which it is possible to control in a simple and user-friendly way by means of a mobile control unit, such as a mobile phone or a simple remote control key ring, various equipment of several home automation systems. distinct, and in particular access equipment of these separate home automation systems.
  • At least one of the equipment of the first installation can be motorized closing equipment and / or at least one of the equipment of the second installation can be motorized closing equipment.
  • the locating step may include comparing geolocation data from the mobile control unit with a contour stored in a map memory.
  • the locating step may comprise the mobile control unit receiving a response from at least one of the home automation equipment to a message sent by the mobile control unit.
  • the method of operation may comprise a step of transmitting a first message, comprising a request for response, by the mobile control unit and a step of transmitting a second message by each device that has received the first message.
  • One of the emission steps can be performed at reduced power.
  • the operating method may comprise a step of transmitting a third message comprising a command command and the first common key and a step of transmitting a fourth message comprising the same command command with the second common key when the third message did not give rise to any response received by the mobile control unit.
  • the location step and / or the automatic selection step may be deactivated once a common key has been selected.
  • the location step and / or the automatic selection step is reactivated when an issued order does not give rise to response from a home automation device.
  • the operating method may comprise a step of securely transmitting the first and second common keys and recording these common keys in the mobile control unit.
  • the operating method may comprise a step of downloading in the mobile control unit a table of home automation equipment identifiers that can be controlled by the mobile control unit.
  • the secure transmission step or the download step may be performed from data located in a remote server.
  • the step of locating the mobile control unit may include the location of the mobile control unit relative to a first geographical area containing the elements of the first home automation installation and / or the location of the mobile control unit relatively a second geographical area containing the elements of the second home automation system.
  • a mobile control unit comprises hardware and / or software means for implementing the previously defined operating method.
  • an installation comprises a mobile control unit defined above.
  • the invention also relates to a computer program comprising computer program code means adapted to perform the steps of the method defined above, when the program is executed on a computer.
  • the figure 1 represents in the form of a block diagram a first home automation system 100, a second home automation system 200 and a mobile control unit 40 according to the invention.
  • the figure also represents the connections of the home automation system and the mobile control unit with the environment.
  • the home automation installation may comprise a much larger number of control boxes and / or sensors and may include other equipment in addition to or replacement of the equipment listed above, in particular terrace awning actuator type equipment, water treatment, ventilation, etc., including domestic type such as a washing machine, TV etc.
  • the invention however preferably applies to equipment occupying a fixed place in the building and at least one of the equipment being of access type, that is to say, able to prevent an intrusion, which is here the case of the first four equipment.
  • All the devices communicate with each other on the same first home automation network 19, of local type (LAN) and using a common protocol, for example io-homecontrol, EIB, Zigbee, etc. (registered trademarks).
  • the home network is radiofrequency type, which is represented by bidirectional arrows and an antenna symbol on each equipment.
  • several local networks of protocol and / or different media are used to form the first home automation network 19.
  • the equipment therefore each comprise a link means for communication in the home network 19.
  • HK1 house key
  • This key is for example a word of 64 or 128 bits, housed in a memory of each equipment and an authentication algorithm using the common key is used to allow a device to recognize that a command or any message is well from another equipment of the installation.
  • a message "contains the common key” or “includes the common key” when its issuer is authenticated by the common key.
  • this authentication is performed by a dialogue between the sender of the message and its recipient, or is performed by encrypting the message content using the common key, or requires both a dialogue and an encryption the content of the message.
  • the common key is therefore not contained, as such, in the messages.
  • the installation is connected to a remote server.
  • the eighth equipment 18 can be connected to a shared network 30 of the internet type by a gateway, not shown.
  • a remote server 31 can also be connected to the shared network, thus enabling communication between the eighth equipment and the remote server, or communication between any equipment and the remote server, using successively the local network and the shared network.
  • a second home automation installation 200 includes several home automation equipment referenced 21-26, these being here access type and constituted respectively by a motorized gate 21, two roller shutters 22-23, a main door lock 24 and two other rolling shutters 25-26.
  • the second home automation installation also includes a remote control unit 27 of nomadic type, able to communicate on the second home automation network, and a gateway 28 for communication between the second home automation network and the shared network 30.
  • the first home automation installation corresponds for example to the main residence of the user, while the second home automation installation corresponds for example to his second home.
  • the second home automation installation corresponds for example to the main residence of a neighbor.
  • the second home automation installation is a hotel room.
  • a mobile control unit 40 comprises a network link means to the first home network 19 and the second home network 29, this means network link is also represented by the symbol of an antenna and a double arrow.
  • the same mobile control unit can participate in the control of the first installation, as represented by the arrow A1, or the control of the second installation, as represented by the arrow A2.
  • the mobile control unit comprises a control interface 41, for example a keypad of two or four keys when the mobile control unit has reduced dimensions to serve as keychain and / or be easily inserted into a pocket or a handbag.
  • a control interface 41 for example a keypad of two or four keys when the mobile control unit has reduced dimensions to serve as keychain and / or be easily inserted into a pocket or a handbag.
  • control interface comprises a larger keyboard and display means, or a touch screen.
  • the mobile control unit comprises a home automation communication unit 42 able to transmit messages transmitted on the home network in the form of radio frequency signals by the connecting means. These messages include control commands resulting from an action on the HMI as well as the common key of the first installation or the second installation.
  • the home automation communication unit is connected to a common first key memory 43 and to a common second key memory 44.
  • the home automation communication unit is also connected to a table 45 including the identifiers of the equipment that can be controlled by the remote control unit. mobile control unit.
  • the mobile control unit comprises a locating means 46.
  • the locating means 41 preferably uses an external resource 33, for example GPS or Galileo type geolocation satellites.
  • the locating means may also include an accelerometer, particularly a 3D accelerometer, for establishing part of a location information.
  • an accelerometer particularly a 3D accelerometer
  • the same 3D accelerometer is used in the locating means, for displacement measurements with respect to a reference point and in the orientation measuring means for orientation measurements of the mobile control unit.
  • the mobile control unit is also connected to the server 31 by a long-distance communication network 32, of the GSM type.
  • a mobile phone equipped with the material means described above and software means capable of executing the methods described below can advantageously serve as a mobile control unit.
  • the network connection means to the home automation network is for example housed in the SIM card of the telephone, or in the telephone battery, or it is linked to the telephone by a removable connection, such as a "jack” or “dock” jack or a support socket (called “dock” socket).
  • the home automation communication unit is detailed in this variant under the reference 42 on the figure 9 it comprises an active common key memory 47a in which the active common key is stored and a common key table 47b, containing the codes of all the common keys stored in the mobile control unit.
  • the active common key memory may be constituted by a pointer indicating where is the common key active in the common key table.
  • the home automation communication unit also comprises an encryption key 48 and, in permanent memory 49, the PTCL protocol of the home automation network.
  • control unit is physically distinct from the telephone, with which it is associated to form the mobile control unit, and can not be provided for example by a manufacturer of a home automation network equipment. This distinctive character the control unit appears in the form of a bold line.
  • the control unit comprises hardware and / or software means for controlling its operation in accordance with the method of the invention.
  • the software means may in particular comprise a computer program code means adapted to performing the steps of the method according to the invention, when the program runs on a computer.
  • the hardware means comprise a location means for locating the mobile control unit with respect to one or more geographical areas, in particular two geographical areas respectively containing the elements of the first and second home automation systems and an automatic selection means. a common key contained in the mobile control unit.
  • the figure 2 represents preliminary steps of the various embodiments of the operating method according to the invention.
  • the mobile control unit is disposed in the building containing the first home automation system or in the vicinity of this building.
  • a second preliminary step S12 is activated, in which the first common key HK1 is transmitted to the mobile control unit.
  • This step uses one of the methods known from the prior art. It may have been delegated to a trusted installer.
  • the common key is contained in a confidential document, communicated to the installer by the owner of the installation. She is then carried forward, in the form of alphanumeric characters, using a keyboard of the mobile control unit. Alternatively, it is entered as a barcode on the confidential document and is read by a camera of the mobile control unit. Alternatively, it is recorded in an electronic tag owned by the owner and transmitted to the installer by the latter, the mobile control unit being able to read said electronic tag. Alternatively, it is transmitted via GSM by the remote server. Alternatively, it is transmitted, at reduced power, on the home automation network by an equipment internal to the building and on which has been carried out a particular manipulation. Several of these alternatives can be combined to transmit all or part of the common key to the mobile control unit.
  • the security of the process comes from an encryption and an authentication procedure: for example a PIN code known only to the owner, or the only installer, to decrypt the common key.
  • an authentication procedure for example a PIN code known only to the owner, or the only installer, to decrypt the common key.
  • the first common key is then stored in a memory of the mobile control unit, and preferably in a separate RFU module of this mobile control unit, described in connection with the figure 9 , the decryption taking place in this separate module.
  • a third preliminary step S13 the preceding steps are iterated for the second installation and the second common key.
  • the two common keys are recorded in the mobile control unit.
  • Preliminary sub-steps have also allowed to record the identifiers of equipment that can be controlled by the mobile control unit in each installation.
  • the figure 3 represents main steps of a first embodiment of the operating method.
  • the operating method can be used both in a usage mode and in a configuration mode.
  • This operating method is activated when more than one common key has been registered in the mobile control unit. It is assumed in the following that the mobile control unit, contained for example in a key ring, is used by a user owner of a principal residence (first installation) and a second home (second installation).
  • a first main step S21 the user acts on the control interface to issue a control command. For example, he left his main residence and arrives near his second home: he then presses the control button that he knows to be assigned to the gate operator 21. There is then a transition to a second main stage S22, said location step, wherein the mobile control unit is located.
  • the location is performed by determining whether the mobile control unit is in a first geographical area, covering the first installation, or a second area, covering the second installation. Each zone is defined by an outline.
  • a first contour (Contour 1) corresponds to a first geographical area in which the first installation is located and a second contour (Contour 2) corresponds to a second geographical zone in which the second installation is located.
  • the location of the mobile control unit in one area or the other can be carried out according to several methods, described below.
  • a third main step S23 called automatic selection, the first common key HK1 or the second common key HK2 is chosen as common key HK depending on whether this location corresponds to the first installation or the second installation. It is the same for the choice between a first set of identifiers TAB1 or a second set of identifiers TAB2.
  • a control command and issued by the mobile control unit comprising both the common good key and the identifier corresponding to the equipment designated by the action on the command interface.
  • a fifth main step S25 there is automatic deactivation of the second and third main stages, the latter having become useless until there is a change of installation.
  • the mobile control unit behaves thereafter as if it were assigned only to the second installation, which avoids any loss of time, unnecessary radio traffic and unnecessary consumption in the execution of the next orders.
  • the third main step is deactivated, and will only be reactivated if the location step shows that the location corresponds to a change of installation.
  • the figure 4 represents a second embodiment of the method of operation differing from the first embodiment in that it further comprises a complementary step or sixth main step S26, in which there is automatically reactivation of the second main step and of the third main step, in the case where the issuance of an order gives rise to no response.
  • the absence of an answer may result from the fact that the user has left his second home and is again in front of his principal residence responds to a message sent with the second common key HK2. It is therefore necessary to restore a step of automatically determining the location of the mobile control unit.
  • the figure 5 represents a third embodiment of the operating method differing from the first embodiment in that the third main step comprises a substep S231.
  • This substep comprises a download of the table of all the identifiers of the installation which has just been determined and which can be ordered from the mobile control unit.
  • the memory capacity of the mobile control unit assigned to the registration of a set of identifiers can be reduced, and limited to the maximum number of identifiers contained in an installation and / or likely to be controlled by the user.
  • mobile control unit For example, a 4 button remote control can have a memory space limited to 4 identifiers (if we exclude identifiers obtained by combination of support of different buttons).
  • the download can be done from data stored in a remote server, or stored in one of the equipment of the installation, preferably a fixed equipment, for example the control unit 18 of the first installation and the gateway 28 of the second installation .
  • the data is stored in a remote server, it can be transmitted via the GSM communication network or via the shared network.
  • This equipment identification data does not require the same degree of security as common keys.
  • the figure 6 represents a first embodiment of the second main step S22 of the first embodiment of the operating method, in the form of a single step S221, applicable when the mobile control unit comprises a geolocation resource, for example in the case of a phone.
  • the contour is defined by geolocation.
  • the position of the mobile control unit is determined using the location means, for example by using location signals from satellites such as GPS signals, and this position is compared to a pre-recorded contour in a cartographic memory.
  • the position determination can take place in this case in a manner independent of any other action, that is, the second main step and the third main step can then precede the first main step.
  • the locating step preferably takes place in the mobile control unit, which comprises a first cartographic memory 50 in which the position coordinates of each installation have been stored (during a prior configuration step), where is deduced the contour relative to each installation.
  • this location step may be partially executed in the remote server, which may also contain a second memory map 51, containing geolocation data of the contours of each installation.
  • the figure 7 represents a second embodiment of the second main step S22 of the first embodiment of the operating method.
  • the location step takes place in the form of a determination step S222 based on the response of the home network equipment to a control command comprising either the first common key or the second common key.
  • the current common key, or initial common key is used. If no response is received by the mobile control unit, then it deduces that it is necessary to use the other common key to repeat the same order. If an answer is then obtained, we now take this other common key as a new common key to replace the initial common key. Otherwise, this means that we are out of radio range of both facilities and we keep the initial common key, because it is more likely that the user will eventually return to the last used residence rather than change his residence. .
  • the common key memory HK can be emptied.
  • the mobile control unit is a key-type remote control comprising 4 control keys.
  • Each control key is dedicated to a device, to control it according to a two-cycle cycle (on-off) or according to a 4-cycle cycle (direction 1 - stop - direction 2 - stop) depending on the type of equipment.
  • One of the control keys is assigned to the garage door (reference 11) in the first installation and is assigned to the gate (reference 21) in the second installation.
  • the garage door actuator is defined by the identifier ID (11) in the first table of identifiers TAB1
  • the portal actuator is defined by the identifier ID (21) in the second table of TAB2 identifiers.
  • the message sent by the mobile control unit comprises the code of the first common key HK1 and the identifier ID (11). This order therefore receives no response. As a result, the message is re-transmitted, but this time contains the code of the second common key HK2 and the identifier ID (21).
  • This order therefore triggers an acknowledgment and is executed.
  • the reception of an acknowledgment of receipt is sufficient to indicate to the mobile control unit what is its new location, and thus completes the location step.
  • the process then proceeds to the third main step S23, and the second common key HK2 becomes the new common key for all subsequent orders, at least as long as these orders give rise to response from the equipment.
  • This second embodiment may also lend itself to a greater number of common keys. It should be noted that the sending of successive messages by the control unit until an acknowledgment of receipt can be completely hidden for the user since these exchanges can be produce in a few tenths of a second or less, that is to say for example while he presses the control key.
  • the determination step S222 can be split into two sub-steps, also represented in FIG. figure 7 , to ensure the location of the mobile control unit.
  • a request for response is broadcast, without indication of destination home automation equipment identifier, using the initial common key. All equipment using this common key, which captures this request, respond with an acknowledgment, issued at reduced power. If this response is picked up by the mobile control unit, then the common key is retained. Otherwise, the other common key is used to iterate the same substeps, and it will be retained if at least one response is obtained from a device.
  • the broadcast message is transmitted at reduced power during the first substep S222a and the response message is transmitted at normal power during the second substep S222b.
  • the figure 8 represents a contour C1 used in this second embodiment, assuming that the range, which is for example 300 meters in a free field, is reduced to 10 meters when one of the transmissions takes place at reduced power.
  • the mobile control unit ceases to be within range of at least one of the equipment as soon as one leaves the first contour C1, formed by the envelope of radius circles 10 meters centered on each of the equipment.
  • the circle CA is centered on the equipment referenced 17 and the circle CB is centered on the equipment referenced 18.
  • Each circle corresponds to the place of the communication limit points between the equipment and the mobile control unit.
  • the circle is replaced by a radiation pattern of substantially elliptical type as shown in dashed line under the reference CC for a radiation pattern of the reference equipment 11.
  • the range value is chosen sufficient to overlap the circles or radiation patterns and to obtain a single contour containing all the equipment of the installation.
  • the home automation unit of the mobile control unit receives no response to the message broadcast during the first substep S322, then the mobile control unit RCU is out of the first contour C1, and the second control unit is activated. main step of the method with another common key to determine if the mobile control unit is in another contour.
  • the advantage of defining a relatively small contour in terms of dimensions is that it makes it possible to apply the control method to installations close to one another, for example to several similar installations of a subdivision or condominium.
  • a mobile control unit of a home automation system of a neighboring house can receive, as has been indicated above, both the common key the first house and the identifiers of certain equipment, including access type, that the owner wishes to make available to the neighboring house, for example in his absence to take advantage of certain facilities (pool) or to allow the delivery of goods.
  • the right to use the common key of the first house is preferentially conditioned by a specific period or by a particular event.
  • the rights of access to a hotel room are transferred to the mobile control unit, in a secure manner and for a specified period, in the form of transfer of the common key relating to this room of hotel and in the form of table of identifiers of the equipments of the room of hotel. All the preferences of the owner of the mobile control unit may have been recorded, or communicated by a remote server, so as to accommodate it with its usual environment.
  • a signal indicating the transmission power in English: "Received Signal Strength Indicator - RSSI) can be used in the steps of locating and / or selecting the one of the common keys, in particular to deal with the case where two installations are sufficiently close to carried, including when the emission is carried out at reduced power.
  • a variant of the second and third main steps consists of broadcasting a first interrogation message with the first common key and recording a first value corresponding to the highest RSSI level of the responses, then iterating the same operation with the second key. and record a second value.
  • the selection of the common key is made by taking the one giving the highest value.
  • the first value and the second value correspond to an average value of the RSSI levels received in each case.
  • the different modes of execution of the operating method can be combined with each other.
  • the different embodiments of the steps can be applied to the different execution modes and the different combinations of the execution modes.

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Description

L'invention concerne le domaine de la commande d'équipements domotiques dans plusieurs bâtiments comprenant au moins des équipements de fermeture ou de protection solaire motorisés, de chauffage et climatisation, d'éclairage, de gestion de piscine individuelle.The invention relates to the field of control of home automation equipment in several buildings comprising at least motorized closure or solar protection equipment, heating and air conditioning, lighting, individual pool management.

Ces équipements domotiques communiquent entre eux à l'aide d'un réseau domotique de type radiofréquences ou par courants porteurs, et peuvent communiquer avec des serveurs distants.These home automation devices communicate with each other using a radio frequency or powerline-based home automation network and can communicate with remote servers.

L'invention vise à simplifier la commande de ces équipements domotiques, en particulier lorsqu'un utilisateur souhaite utiliser une même télécommande dans le cadre de sa résidence principale et dans le cadre de sa résidence secondaire, ou encore lorsque cet utilisateur souhaite transmettre des droits d'accès à un de ses voisins sans pour autant être obligé de lui fournir une télécommande. L'invention permet également d'utiliser une télécommande de résidence principale pour accéder à un local partagé, par exemple une chambre d'hôtel, et/ou pour commander les équipements de ce local partagé.The invention aims to simplify the control of these home automation equipment, particularly when a user wishes to use the same remote control in the context of his principal residence and as part of his second home, or when the user wishes to transmit rights of ownership. access to one of his neighbors without being obliged to provide him with a remote control. The invention also makes it possible to use a main residence remote control to access a shared room, for example a hotel room, and / or to control the equipment of this shared room.

La demande de brevet WO 03/088486 décrit un procédé d'évaluation de champ proche permettant de s'assurer, lors de la transmission d'une commande d'appairage, qu'un émetteur de cette commande est situé à proximité immédiate d'un récepteur.The patent application WO 03/088486 discloses a near field evaluation method for ensuring, when transmitting a pairing command, that a transmitter of this command is located in the immediate vicinity of a receiver.

Le brevet US 7,724,687 prévoit qu'une donnée confidentielle telle une « clé-maison » ne peut être transmise d'un émetteur d'ordres vers un autre émetteur d'ordres que si un récepteur d'ordres valide préalablement cette transmission. La demande de brevet WO 03/081352 décrit un procédé de changement de clé commune tandis que le brevet US 7,683,754 décrit un procédé de sélection d'un groupe pour la transmission d'une clé commune, par exemple en utilisant la tension d'alimentation des seuls éléments du groupe.The patent US7,724,687 provides that confidential data such as a "house key" can only be transmitted from one issuer to another issuer of orders if an order receiver previously validates this transmission. The patent application WO 03/081352 describes a common key change method while the patent US 7,683,754 describes a method of selecting a group for the transmission of a common key, for example by using the supply voltage of the only elements of the group.

La demande de brevet EP 1 967 923 décrit un système et un procédé aptes à fournir à un utilisateur un environnement correspondant à un profil de préférences, cet environnement étant modifié par la détection de présence de l'utilisateur, par exemple au moyen d'une étiquette électronique.The patent application EP 1 967 923 describes a system and a method capable of providing a user with an environment corresponding to a preference profile, this environment being modified by the presence detection of the user, for example by means of an electronic tag.

Dans la demande de brevet EP 1 482 718 , le transmetteur destiné à établir la communication avec l'élément à commander est raccordé au téléphone mobile par la prise jack d'écouteur ou par couplage et utilise une modulation DTMF ou analogue pour transmettre les signaux codés depuis le téléphone mobile vers le transmetteur.In the patent application EP 1 482 718 , the transmitter for establishing communication with the item to be controlled is connected to the mobile phone by the earphone jack or by coupling and uses a DTMF modulation or the like to transmit the coded signals from the mobile phone to the transmitter.

Le brevet EP 0 913 979 décrit également l'adjonction à un téléphone mobile d'un émetteur supplémentaire pour la commande à distance d'un objet. Un mode spécifique permet la commande à distance sans utilisation de la radiocommunication mobile et le code d'abonné SIM de la carte est utilisé comme moyen d'authentification de l'utilisateur. La structure cellulaire du réseau de communication mobile est utilisée comme possibilité de contrôle de l'authentification.The patent EP 0 913 979 also describes the addition to a mobile phone of an additional transmitter for the remote control of an object. A specific mode allows the remote control without use of the mobile radio and the subscriber code SIM of the card is used as a means of authentication of the user. The cellular structure of the mobile communication network is used as a possibility of control of the authentication.

La demande de brevet US 2002/0031228 décrit un téléphone mobile apte à communiquer à la fois avec un réseau public de communication de type GSM et, à faible distance, avec des dispositifs Bluetooth, par exemple des serrures de chambres d'hôtel ou de véhicule de location. Une connexion entre le téléphone mobile et un serveur distant est assurée via le réseau GSM. Le serveur distant transmet la clé d'authentification Bluetooth au téléphone mobile, sous forme cryptée et décryptable par le téléphone mobile. La clé d'authentification Bluetooth est ensuite transmise par le téléphone mobile au dispositif Bluetooth au moyen du transmetteur Bluetooth. Le code personnel d'identification PIN de l'utilisateur peut être utilisé pour sécuriser la transmission.The patent application US 2002/0031228 describes a mobile phone capable of communicating both with a public GSM type communication network and, at a short distance, with Bluetooth devices, for example locks of hotel rooms or rental vehicles. A connection between the mobile phone and a remote server is provided via the GSM network. The remote server transmits the Bluetooth authentication key to the mobile phone, in encrypted and decrypable form by the mobile phone. The key Bluetooth authentication is then transmitted by the mobile phone to the Bluetooth device using the Bluetooth transmitter. The PIN code of the user can be used to secure the transmission.

La demande WO 00/57375 décrit un système de sécurité antivol pour équipements électriques domestiques. Chaque fois que l'équipement est mis sous tension, il ne fonctionne qu'à la réception d'un code de libération, transmis par un contrôleur de maison à travers l'alimentation électrique ou un réseau local. Tout équipement déplacé de sa position autorisée, c'est-à-dire ne recevant pas son code de libération de la part du contrôleur de maison, cesse de fonctionner. Il est prévu que le contrôleur de maison peut lui-même être volé en même temps que l'équipement électrique domestique. Pour pallier cet inconvénient, le contrôleur de maison comprend un moyen de localisation par exemple par l'intermédiaire d'un réseau cellulaire ou par GPS et il peut transmettre sa position à un centre opérationnel distant, en utilisant par exemple le réseau internet ou GSM. Le contrôleur de maison n'a pas d'autre fonction dans une installation que d'assurer le blocage ou le déblocage des équipements en cas de déconnexion et reconnexion de ceux-ci sur le réseau électrique.Requirement WO 00/57375 describes an anti-theft security system for household electrical equipment. Whenever the equipment is powered up, it only works when a release code is received from a home controller through the power supply or local area network. Any equipment moved from its authorized position, that is, not receiving its release code from the home controller, will stop working. It is expected that the home controller can be stolen at the same time as the home electrical equipment. To overcome this drawback, the home controller comprises a location means for example via a cellular network or GPS and can transmit its position to a remote operating center, for example using the Internet or GSM network. The home controller has no other function in an installation than to ensure the blocking or unblocking of the equipment in case of disconnection and reconnection of these on the power grid.

La demande de brevet FR 2 924 890 décrit un procédé de sélection automatique d'un périphérique tel un équipement domotique utilisant un critère de proximité: un message est diffusé vers tous les périphériques et chacun d'eux répond. En fonction du niveau de signal reçu, on repère automatiquement le périphérique le plus proche pour lui envoyer une commande.The patent application FR 2 924 890 describes a method of automatic selection of a device such as a home automation device using a proximity criterion: a message is broadcast to all devices and each of them responds. Depending on the received signal level, the nearest device is automatically identified to send a command.

Le brevet US 7,289,014 décrit un système de commande de barrière d'accès tel que portail ou porte de garage, notamment en fonction de la localisation et/ou de la direction de mouvement d'un véhicule au voisinage de la barrière d'accès. Il est prévu (figure 9) que des localisations particulières d'un transpondeur ou « dispositif de proximité » puissent être apprises à l'aide d'un système de localisation satellite GPS, de manière à ce que le système de commande provoque une action prédéterminée quand le « dispositif de proximité » retrouve une telle localisation, après apprentissage. Par exemple, si le dispositif de proximité est dans une localisation dite d'action, alors une action sur un bouton provoque une commande d'ouverture, ce qui n'est pas le cas en dehors de cette localisation d'action.The patent US 7,289,014 discloses an access barrier control system such as a gate or a garage door, in particular depending on the location and / or direction of movement of a vehicle in the vicinity of the access barrier. It is provided ( figure 9 ) that particular locations of a transponder or "Proximity device" can be learned using a GPS satellite location system, so that the control system causes a predetermined action when the "proximity device" finds such a location, after learning. For example, if the proximity device is in a so-called action location, then an action on a button causes an opening command, which is not the case outside this action location.

La demande de brevet WO 01/71685 décrit une télécommande universelle et des procédés aptes à afficher sur l'écran de la télécommande des icônes relatives aux équipements à portée radio de la télécommande, et/ou des interfaces de commande de ces équipements.The patent application WO 01/71685 discloses a universal remote control and methods capable of displaying on the remote control display icons relating to equipment within radio range of the remote control, and / or control interfaces of these devices.

Le brevet US 6,563,430 décrit un dispositif de commande à distance dont l'interface utilisateur de commande dépend de la localisation du dispositif de commande, à l'intérieur d'une maison par exemple. De nombreuses méthodes de localisation sont décrites.The patent US6,563,430 describes a remote control device whose control user interface depends on the location of the control device, inside a house for example. Many localization methods are described.

Un tel dispositif est aussi décrit dans la demande de brevet FR 2 898 719 .Such a device is also described in the patent application FR 2,898,719 .

Le brevet US 7,363,028 décrit également ce type de dispositif de commande et notamment une méthode d'identification radiofréquences de l'équipement le plus proche du dispositif de commande, par décroissance progressive de la puissance d'émission. Ce dispositif est utilisé pour la commande de différents équipements HiFi dans une pièce.The patent US 7,363,028 also describes this type of control device and in particular a radiofrequency identification method of the equipment closest to the control device, by progressive decay of the transmission power. This device is used to control different HiFi equipment in a room.

Le brevet US 7,110,761 décrit l'usage d'un dispositif de pointage directionnel pour établir une connexion sans fil entre le dispositif de pointage et un autre dispositif, ciblé par le dispositif de pointage directionnel.The patent US7,110,761 describes the use of a directional pointing device to establish a wireless connection between the pointing device and another device, targeted by the directional pointing device.

Dans ces trois derniers documents, il n'est pas fait référence à une clé commune, partagée entre les équipements à piloter et une télécommande et permettant notamment de sécuriser une fonction d'accès dans le bâtiment.In these last three documents, there is no reference to a common key, shared between the equipment to be controlled and a remote control and in particular to secure an access function in the building.

Le but de l'invention est de fournir un procédé de fonctionnement d'une unité mobile de commande remédiant aux inconvénients évoqués précédemment et améliorant les procédés connus de l'art antérieur. En particulier, l'invention propose un procédé de fonctionnement sécurisé dans lequel il est possible de commander de manière simple et conviviale grâce à une unité mobile de commande, tel un téléphone portable ou une simple télécommande porte-clés, différents équipements de plusieurs installations domotiques distinctes, et en particulier des équipements d'accès de ces installations domotiques distinctes.The object of the invention is to provide a method of operating a mobile control unit overcomes the disadvantages mentioned above and improving the methods known from the prior art. In particular, the invention proposes a secure operating method in which it is possible to control in a simple and user-friendly way by means of a mobile control unit, such as a mobile phone or a simple remote control key ring, various equipment of several home automation systems. distinct, and in particular access equipment of these separate home automation systems.

Selon l'invention, le procédé régit le fonctionnement d'une unité mobile de commande destinée à faire successivement et alternativement partie :

  • d'une première installation domotique comprenant des équipements communiquant sur un premier réseau domotique, chaque élément de la première installation étant muni d'un identifiant et partageant une même première clé commune propre au premier réseau domotique et authentifiant l'appartenance d'un équipement au premier réseau domotique, et
  • d'une deuxième installation domotique comprenant des équipements communiquant sur un deuxième réseau domotique, chaque élément de la deuxième installation étant muni d'un identifiant et partageant une même deuxième clé commune propre au deuxième réseau domotique et authentifiant l'appartenance d'un équipement au deuxième réseau domotique,
    l'unité mobile de commande comprenant une mémoire contenant plusieurs clés communes dont les première et deuxième clés communes, caractérisé en ce qu'il comprend :
    • une étape de localisation de l'unité mobile de commande relativement à la première installation domotique et/ou relativement à la deuxième installation domotique,
    • une étape de sélection automatique d'une clé commune dans l'unité mobile de commande, selon le résultat de l'étape de localisation.
According to the invention, the method governs the operation of a mobile control unit intended to successively and alternately part:
  • a first home automation installation comprising equipment communicating on a first home automation network, each element of the first installation being provided with an identifier and sharing the same first common key specific to the first home automation network and authenticating the belonging of a device to the first home automation network, and
  • a second home automation installation comprising equipment communicating on a second home automation network, each element of the second installation being provided with an identifier and sharing a common second common key belonging to the second home automation network and authenticating the belonging of a piece of equipment to second home automation network,
    the mobile control unit comprising a memory containing several common keys including the first and second common keys, characterized in that it comprises:
    • a step of locating the mobile control unit with respect to the first home automation installation and / or the second home automation installation,
    • a step of automatically selecting a common key in the mobile control unit, according to the result of the locating step.

Au moins un des équipements de la première installation peut être un équipement motorisé de fermeture et/ou au moins un des équipements de la deuxième installation peut être un équipement motorisé de fermeture.At least one of the equipment of the first installation can be motorized closing equipment and / or at least one of the equipment of the second installation can be motorized closing equipment.

L'étape de localisation peut comprendre la comparaison de données de géolocalisation de l'unité mobile de commande avec un contour enregistré dans une mémoire cartographique.The locating step may include comparing geolocation data from the mobile control unit with a contour stored in a map memory.

L'étape de localisation peut comprendre la réception par l'unité mobile de commande d'une réponse d'au moins un des équipements domotiques à un message envoyé par l'unité mobile de commande.The locating step may comprise the mobile control unit receiving a response from at least one of the home automation equipment to a message sent by the mobile control unit.

Le procédé de fonctionnement peut comprendre une étape d'émission d'un premier message, comprenant une demande de réponse, par l'unité mobile de commande et une étape d'émission d'un deuxième message par chaque équipement ayant reçu le premier message.The method of operation may comprise a step of transmitting a first message, comprising a request for response, by the mobile control unit and a step of transmitting a second message by each device that has received the first message.

Une des étapes d'émission peut être réalisée à puissance réduite.One of the emission steps can be performed at reduced power.

Le procédé de fonctionnement peut comprendre une étape d'émission d'un troisième message comprenant un ordre de commande et la première clé commune et une étape d'émission d'un quatrième message comprenant le même ordre de commande avec la deuxième clé commune quand le troisième message n'a donné lieu à aucune réponse captée par l'unité mobile de commande.The operating method may comprise a step of transmitting a third message comprising a command command and the first common key and a step of transmitting a fourth message comprising the same command command with the second common key when the third message did not give rise to any response received by the mobile control unit.

L'étape de localisation et/ou l'étape de sélection automatique peut être désactivée dès lors qu'une clé commune a été sélectionnée.The location step and / or the automatic selection step may be deactivated once a common key has been selected.

L'étape de localisation et/ou l'étape de sélection automatique est réactivée dès lors qu'un ordre émis ne donne pas lieu à réponse d'un équipement domotique.The location step and / or the automatic selection step is reactivated when an issued order does not give rise to response from a home automation device.

Le procédé de fonctionnement peut comprendre une étape de transmission sécurisée des première et deuxième clés communes et d'enregistrement de ces clés communes dans l'unité mobile de commande.The operating method may comprise a step of securely transmitting the first and second common keys and recording these common keys in the mobile control unit.

Le procédé de fonctionnement peut comprendre une étape de téléchargement dans l'unité mobile de commande d'une table des identifiants d'équipements domotiques aptes à être commandés par l'unité mobile de commande.The operating method may comprise a step of downloading in the mobile control unit a table of home automation equipment identifiers that can be controlled by the mobile control unit.

L'étape de transmission sécurisée ou l'étape de téléchargement peut être effectuée à partir de données situées dans un serveur distant.The secure transmission step or the download step may be performed from data located in a remote server.

L'étape de localisation de l'unité mobile de commande peut comprendre la localisation de l'unité mobile de commande relativement à une première zone géographique contenant les éléments de la première installation domotique et/ou la localisation de l'unité mobile de commande relativement à une deuxième zone géographique contenant les éléments de la deuxième installation domotique.The step of locating the mobile control unit may include the location of the mobile control unit relative to a first geographical area containing the elements of the first home automation installation and / or the location of the mobile control unit relatively a second geographical area containing the elements of the second home automation system.

Selon l'invention, une unité mobile de commande comprend des moyens matériels et/ou logiciels de mise en oeuvre du procédé de fonctionnement défini précédemment.According to the invention, a mobile control unit comprises hardware and / or software means for implementing the previously defined operating method.

Selon l'invention, une installation comprend une unité mobile de commande définie précédemment.According to the invention, an installation comprises a mobile control unit defined above.

L'invention porte aussi sur un programme informatique comprenant un moyen de code de programme informatique adapté à la réalisation des étapes du procédé défini précédemment, lorsque le programme est exécuté sur un ordinateur.The invention also relates to a computer program comprising computer program code means adapted to perform the steps of the method defined above, when the program is executed on a computer.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés sur lesquels :

  • La figure 1 représente sous forme de schéma fonctionnel deux installations domotiques et une unité mobile de commande selon l'invention.
  • La figure 2 représente des étapes préliminaires des différents modes d'exécution du procédé de fonctionnement selon l'invention.
  • La figure 3 représente des étapes principales d'un premier mode d'exécution d'un procédé de fonctionnement selon l'invention.
  • La figure 4 représente une étape complémentaire d'un deuxième mode d'exécution d'un procédé de fonctionnement.
  • La figure 5 représente une sous-étape d'un troisième mode d'exécution d'un procédé de fonctionnement.
  • La figure 6 représente un premier mode de réalisation d'une étape du premier mode d'exécution d'un procédé de fonctionnement.
  • La figure 7 représente un deuxième mode de réalisation d'une étape du premier mode d'exécution d'un procédé de fonctionnement.
  • La figure 8 représente une zone géographique utilisée dans le deuxième mode de réalisation de l'étape représenté à la figure 7.
  • La figure 9 représente partiellement l'unité mobile de commande pour illustrer des détails de réalisation.
The invention will be better understood on reading the description which follows, given solely by way of example and with reference to the appended drawings in which:
  • The figure 1 represents in block diagram form two home automation systems and a mobile control unit according to the invention.
  • The figure 2 represents preliminary steps of the various embodiments of the operating method according to the invention.
  • The figure 3 represents main steps of a first embodiment of an operating method according to the invention.
  • The figure 4 represents a complementary step of a second embodiment of an operating method.
  • The figure 5 represents a substep of a third embodiment of a method of operation.
  • The figure 6 represents a first embodiment of a step of the first embodiment of an operating method.
  • The figure 7 represents a second embodiment of a step of the first embodiment of a method of operation.
  • The figure 8 represents a geographical area used in the second embodiment of the step represented at figure 7 .
  • The figure 9 partially represents the mobile control unit to illustrate details of embodiment.

La figure 1 représente sous forme de schéma fonctionnel une première installation domotique 100, une deuxième installation domotique 200 et une unité mobile de commande 40 selon l'invention. La figure représente également les liaisons des installations domotiques et de l'unité mobile de commande avec l'environnement.The figure 1 represents in the form of a block diagram a first home automation system 100, a second home automation system 200 and a mobile control unit 40 according to the invention. The figure also represents the connections of the home automation system and the mobile control unit with the environment.

Les installations domotiques comprennent des équipements. Certains équipements sont de type actionneur et comprennent en particulier un ou plusieurs actionneurs électriques D'autres équipements sont de type capteur ou de type boîtier de commande. Ainsi, dans l'exemple de la figure 1, la première installation comprend:

  • un premier équipement 11 de type actionneur pour porte de garage,
  • un deuxième équipement 12 de type actionneur pour volet roulant,
  • un troisième équipement 13 également de type actionneur pour volet roulant,
  • un quatrième équipement 14 de type actionneur pour serrure électrique pour porte principale,
  • un cinquième équipement 15 de type actionneur gradateur (« dimmer ») pour dispositif d'éclairage à intensité variable.
  • un sixième équipement 16 de type actionneur de chauffage-climatisation,
  • un septième équipement 17 de type boîtier de commande et capteur, sous forme d'un interrupteur mural,
  • un huitième équipement 18 de type boîtier de commande et capteur incluant un écran d'affichage, une interface de commande tactile et incluant par exemple une sonde de température.
Home automation systems include equipment. Some devices are of the actuator type and include in particular one or more electric actuators. Other equipment is of the sensor type or of the control box type. So, in the example of the figure 1 , the first installation includes:
  • a first equipment 11 type actuator for garage door,
  • a second equipment 12 of the shutter actuator type,
  • a third equipment 13 also of actuator type for roller shutter,
  • a fourth equipment 14 of the actuator type for electric lock for main door,
  • a fifth equipment 15 of dimmer actuator type for dimmable lighting device.
  • a sixth equipment 16 of the type heating-air conditioning actuator,
  • a seventh equipment 17 of the control box and sensor type, in the form of a wall switch,
  • an eighth equipment 18 type control box and sensor including a display screen, a touch control interface and including for example a temperature sensor.

Bien entendu, l'installation domotique peut comprendre un nombre beaucoup plus élevé de boîtiers de commande et/ou de capteurs et peut comprendre d'autres équipements en plus ou remplacement des équipements énumérés précédemment, notamment des équipements de type actionneur de store de terrasse, de traitement de l'eau, de ventilation, etc., y compris de type domestique comme une machine à laver, un téléviseur etc. L'invention s'applique cependant préférentiellement à des équipements occupant une place fixe dans le bâtiment et au moins un des équipements étant de type accès, c'est-à-dire apte à empêcher une intrusion, ce qui est ici le cas des quatre premiers équipements.Of course, the home automation installation may comprise a much larger number of control boxes and / or sensors and may include other equipment in addition to or replacement of the equipment listed above, in particular terrace awning actuator type equipment, water treatment, ventilation, etc., including domestic type such as a washing machine, TV etc. The invention however preferably applies to equipment occupying a fixed place in the building and at least one of the equipment being of access type, that is to say, able to prevent an intrusion, which is here the case of the first four equipment.

Tous les équipements communiquent entre eux sur un même premier réseau domotique 19, de type local (LAN) et utilisant un protocole commun, par exemple io-homecontrol, EIB, Zigbee etc. (marques déposées). Préférentiellement, le réseau domotique est de type radiofréquences, ce qui est représenté par des flèches bidirectionnelles et un symbole d'antenne sur chaque équipement. Alternativement, plusieurs réseaux locaux de protocole et/ou de media différents sont utilisés pour former le premier réseau domotique 19. Les équipements comprennent donc chacun un moyen de liaison permettant la communication dans le réseau domotique 19.All the devices communicate with each other on the same first home automation network 19, of local type (LAN) and using a common protocol, for example io-homecontrol, EIB, Zigbee, etc. (registered trademarks). Preferably, the home network is radiofrequency type, which is represented by bidirectional arrows and an antenna symbol on each equipment. Alternatively, several local networks of protocol and / or different media are used to form the first home automation network 19. The equipment therefore each comprise a link means for communication in the home network 19.

Tous les équipements partagent une première clé commune HK1, dite clé maison. Cette clé est par exemple un mot de 64 ou 128 bits, logé dans une mémoire de chaque équipement et un algorithme d'authentification utilisant la clé commune est utilisé pour permettre à un équipement de reconnaître qu'un ordre de commande ou un message quelconque est bien issu d'un autre équipement de l'installation.All the equipments share a first common key HK1, called house key. This key is for example a word of 64 or 128 bits, housed in a memory of each equipment and an authentication algorithm using the common key is used to allow a device to recognize that a command or any message is well from another equipment of the installation.

Par la suite, on dira pour simplifier qu'un message « contient la clé commune » ou « comprend la clé commune » quand son émetteur est authentifié par la clé commune. En pratique, cette authentification est réalisée par un dialogue entre l'émetteur du message et son destinataire, ou est réalisée par un cryptage du contenu du message à l'aide de la clé commune, ou encore nécessite à la fois un dialogue et un cryptage du contenu du message. La clé commune n'est donc pas contenue, en tant que telle, dans les messages.Subsequently, it will be said for simplicity that a message "contains the common key" or "includes the common key" when its issuer is authenticated by the common key. In practice, this authentication is performed by a dialogue between the sender of the message and its recipient, or is performed by encrypting the message content using the common key, or requires both a dialogue and an encryption the content of the message. The common key is therefore not contained, as such, in the messages.

Préférentiellement, l'installation est raccordée à un serveur distant. Ainsi, le huitième équipement 18 peut être connecté à un réseau partagé 30 de type internet par une passerelle, non représentée. Un serveur distant 31 peut aussi être connecté au réseau partagé, rendant ainsi possible une communication entre le huitième équipement et le serveur distant, ou la communication entre tout équipement et le serveur distant, en utilisant successivement le réseau local et le réseau partagé.Preferably, the installation is connected to a remote server. Thus, the eighth equipment 18 can be connected to a shared network 30 of the internet type by a gateway, not shown. A remote server 31 can also be connected to the shared network, thus enabling communication between the eighth equipment and the remote server, or communication between any equipment and the remote server, using successively the local network and the shared network.

De la même façon, une deuxième installation domotique 200 comprend plusieurs équipements domotiques référencés 21-26, ceux-ci étant ici de type accès et constitués respectivement par un portail motorisé 21, deux volets roulants 22-23, une serrure de porte principale 24 et deux autres volets roulants 25-26.In the same way, a second home automation installation 200 includes several home automation equipment referenced 21-26, these being here access type and constituted respectively by a motorized gate 21, two roller shutters 22-23, a main door lock 24 and two other rolling shutters 25-26.

Ces équipements domotiques communiquent sur un deuxième réseau domotique 29, utilisant le même protocole que le premier réseau domotique. Une deuxième clé commune HK2 est partagée par tous les équipements du deuxième réseau domotique. La deuxième installation domotique comprend également une unité de commande à distance 27 de type nomade, apte à communiquer sur le deuxième réseau domotique, et une passerelle 28 de communication entre le deuxième réseau domotique et le réseau partagé 30.These home automation devices communicate on a second home network 29, using the same protocol as the first home automation network. A second common key HK2 is shared by all the devices of the second home network. The second home automation installation also includes a remote control unit 27 of nomadic type, able to communicate on the second home automation network, and a gateway 28 for communication between the second home automation network and the shared network 30.

La première installation domotique correspond par exemple à la résidence principale de l'utilisateur, tandis que la deuxième installation domotique correspond par exemple à sa résidence secondaire.The first home automation installation corresponds for example to the main residence of the user, while the second home automation installation corresponds for example to his second home.

Alternativement, la deuxième installation domotique correspond par exemple à la résidence principale d'un voisin.Alternatively, the second home automation installation corresponds for example to the main residence of a neighbor.

Alternativement, la deuxième installation domotique est une chambre d'hôtel.Alternatively, the second home automation installation is a hotel room.

Une unité mobile de commande 40 comprend un moyen de liaison réseau au premier réseau domotique 19 et au deuxième réseau domotique 29, ce moyen de liaison réseau étant également représenté par le symbole d'une antenne et une double flèche.A mobile control unit 40 comprises a network link means to the first home network 19 and the second home network 29, this means network link is also represented by the symbol of an antenna and a double arrow.

Ainsi, la même unité mobile de commande peut participer à la commande de la première installation, comme représenté par la flèche A1, ou à la commande de la deuxième installation, comme représenté par la flèche A2.Thus, the same mobile control unit can participate in the control of the first installation, as represented by the arrow A1, or the control of the second installation, as represented by the arrow A2.

L'unité mobile de commande comprend une interface de commande 41, par exemple un clavier de deux ou quatre touches quand l'unité mobile de commande présente des dimensions réduites pour servir de porte-clés et/ou être facilement insérée dans une poche ou un sac à main.The mobile control unit comprises a control interface 41, for example a keypad of two or four keys when the mobile control unit has reduced dimensions to serve as keychain and / or be easily inserted into a pocket or a handbag.

Alternativement, l'interface de commande comprend un clavier plus important et des moyens d'affichage, ou encore un écran tactile.Alternatively, the control interface comprises a larger keyboard and display means, or a touch screen.

L'unité mobile de commande comprend une unité de communication domotique 42 apte à émettre des messages transmis sur le réseau domotique sous forme de signaux radiofréquences par le moyen de liaison. Ces messages comprennent les ordres de commande résultant d'une action sur l'interface homme machine ainsi que la clé commune de la première installation ou de la deuxième installation. L'unité de communication domotique est raccordée à une mémoire de première clé commune 43 et à une mémoire de deuxième clé commune 44. L'unité de communication domotique est également raccordée à une table 45 incluant les identifiants des équipements aptes à être commandés par l'unité mobile de commande.The mobile control unit comprises a home automation communication unit 42 able to transmit messages transmitted on the home network in the form of radio frequency signals by the connecting means. These messages include control commands resulting from an action on the HMI as well as the common key of the first installation or the second installation. The home automation communication unit is connected to a common first key memory 43 and to a common second key memory 44. The home automation communication unit is also connected to a table 45 including the identifiers of the equipment that can be controlled by the remote control unit. mobile control unit.

Ces éléments peuvent être réunis dans un même microcontrôleur.These elements can be brought together in the same microcontroller.

L'unité mobile de commande comprend un moyen de localisation 46. Le moyen de localisation 41 utilise préférentiellement une ressource externe 33, par exemple des satellites de géolocalisation de type GPS ou Galiléo.The mobile control unit comprises a locating means 46. The locating means 41 preferably uses an external resource 33, for example GPS or Galileo type geolocation satellites.

Le moyen de localisation peut également comprendre un accéléromètre, notamment un accéléromètre 3D, pour établir une partie d'une information de localisation. Avantageusement, un même accéléromètre 3D est utilisé dans le moyen de localisation, pour des mesures de déplacement par rapport à un point de référence et dans le moyen de mesure d'orientation pour des mesures d'orientation de l'unité mobile de commande.The locating means may also include an accelerometer, particularly a 3D accelerometer, for establishing part of a location information. Advantageously, the same 3D accelerometer is used in the locating means, for displacement measurements with respect to a reference point and in the orientation measuring means for orientation measurements of the mobile control unit.

L'unité mobile de commande est par ailleurs reliée au serveur 31 par un réseau de communication longue distance 32, de type GSM.The mobile control unit is also connected to the server 31 by a long-distance communication network 32, of the GSM type.

Un téléphone portable équipé des moyens matériels décrits ci-dessus et de moyens logiciels aptes à exécuter les procédés décrits par la suite peut avantageusement servir d'unité mobile de commande. Le moyen de liaison réseau au réseau domotique est par exemple logé dans la carte SIM du téléphone, ou dans la batterie du téléphone, ou il est lié au téléphone par une connexion amovible, comme une prise « jack » ou « dock » d'écouteur ou une prise de support (dite prise « dock »). L'unité de communication domotique est détaillée dans cette variante sous la référence 42 sur la figure 9 : elle comprend une mémoire de clé commune active 47a dans laquelle est enregistrée la clé commune active et une table des clés communes 47b, contenant les codes de toutes les clés communes enregistrées dans l'unité mobile de commande. Alternativement, la mémoire de clé commune active peut être constituée par un pointeur indiquant où se trouve la clé commune active dans la table des clés communes.A mobile phone equipped with the material means described above and software means capable of executing the methods described below can advantageously serve as a mobile control unit. The network connection means to the home automation network is for example housed in the SIM card of the telephone, or in the telephone battery, or it is linked to the telephone by a removable connection, such as a "jack" or "dock" jack or a support socket (called "dock" socket). The home automation communication unit is detailed in this variant under the reference 42 on the figure 9 it comprises an active common key memory 47a in which the active common key is stored and a common key table 47b, containing the codes of all the common keys stored in the mobile control unit. Alternatively, the active common key memory may be constituted by a pointer indicating where is the common key active in the common key table.

L'unité de communication domotique comprend également une clé de cryptage 48 et, en mémoire permanente 49, le protocole PTCL du réseau domotique.The home automation communication unit also comprises an encryption key 48 and, in permanent memory 49, the PTCL protocol of the home automation network.

Pour des raisons de sécurité, l'unité de contrôle est matériellement distincte du téléphone, auquel elle est associée pour former l'unité mobile de commande, et ne peut être fournie par exemple que par un fabricant d'un des équipements du réseau domotique. Ce caractère distinctif l'unité de contrôle apparaît sous la forme d'un trait gras.For security reasons, the control unit is physically distinct from the telephone, with which it is associated to form the mobile control unit, and can not be provided for example by a manufacturer of a home automation network equipment. This distinctive character the control unit appears in the form of a bold line.

L'unité de commande comprend des moyens matériels et/ou logiciels permettant de régir son fonctionnement conformément au procédé objet de l'invention. Les moyens logiciels peuvent notamment comprendre un moyen de code de programme informatique adapté à la réalisation des étapes du procédé selon l'invention, lorsque le programme tourne sur un ordinateur. Les moyens matériels comprennent un moyen de localisation permettant de localiser l'unité mobile de commande par rapport à une ou plusieurs zones géographiques, en particulier deux zones géographiques contenant respectivement les éléments de la première et de la deuxième installation domotique et un moyen de sélection automatique d'une clé commune contenue dans l'unité mobile de commande.The control unit comprises hardware and / or software means for controlling its operation in accordance with the method of the invention. The software means may in particular comprise a computer program code means adapted to performing the steps of the method according to the invention, when the program runs on a computer. The hardware means comprise a location means for locating the mobile control unit with respect to one or more geographical areas, in particular two geographical areas respectively containing the elements of the first and second home automation systems and an automatic selection means. a common key contained in the mobile control unit.

La figure 2 représente des étapes préliminaires des différents modes d'exécution du procédé de fonctionnement selon l'invention. Dans une première étape préliminaire S11, l'unité mobile de commande est disposée dans le bâtiment contenant la première installation domotique ou aux abords de ce bâtiment.The figure 2 represents preliminary steps of the various embodiments of the operating method according to the invention. In a first preliminary step S11, the mobile control unit is disposed in the building containing the first home automation system or in the vicinity of this building.

Suite à une manoeuvre particulière de l'utilisateur, une deuxième étape préliminaire S12 est activée, dans laquelle la première clé commune HK1 est transmise à l'unité mobile de commande.Following a particular maneuver of the user, a second preliminary step S12 is activated, in which the first common key HK1 is transmitted to the mobile control unit.

Cette étape utilise un des procédés connus de l'art antérieur. Elle peut avoir été déléguée à un installateur de confiance.This step uses one of the methods known from the prior art. It may have been delegated to a trusted installer.

Par exemple, la clé commune est contenue dans un document confidentiel, communiqué à l'installateur par le propriétaire de l'installation. Elle est alors reportée, sous forme de caractères alphanumériques, à l'aide d'un clavier de l'unité mobile de commande. Alternativement, elle est inscrite sous forme de code à barres sur le document confidentiel et elle est lue par un appareil photographique de l'unité mobile de commande. Alternativement, elle est enregistrée dans une étiquette électronique possédée par le propriétaire et transmise à l'installateur par ce dernier, l'unité mobile de commande étant apte à lire ladite étiquette électronique. Alternativement, elle est transmise via GSM par le serveur distant. Alternativement, elle est transmise, à puissance réduite, sur le réseau domotique par un équipement interne au bâtiment et sur lequel a été réalisée une manipulation particulière. Plusieurs de ces alternatives peuvent être combinées pour transmettre tout ou partie de la clé commune à l'unité mobile de commande.For example, the common key is contained in a confidential document, communicated to the installer by the owner of the installation. She is then carried forward, in the form of alphanumeric characters, using a keyboard of the mobile control unit. Alternatively, it is entered as a barcode on the confidential document and is read by a camera of the mobile control unit. Alternatively, it is recorded in an electronic tag owned by the owner and transmitted to the installer by the latter, the mobile control unit being able to read said electronic tag. Alternatively, it is transmitted via GSM by the remote server. Alternatively, it is transmitted, at reduced power, on the home automation network by an equipment internal to the building and on which has been carried out a particular manipulation. Several of these alternatives can be combined to transmit all or part of the common key to the mobile control unit.

Préférentiellement, la sécurisation du processus vient d'un cryptage et d'une procédure d'authentification : par exemple un code PIN connu du seul propriétaire, ou du seul installateur, permet de décrypter la clé commune.Preferably, the security of the process comes from an encryption and an authentication procedure: for example a PIN code known only to the owner, or the only installer, to decrypt the common key.

La première clé commune est alors enregistrée dans une mémoire de l'unité mobile de commande, et préférentiellement dans un module séparé RFU de cette unité mobile de commande, décrit en relation avec la figure 9, le décryptage ayant lieu dans ce module séparé.The first common key is then stored in a memory of the mobile control unit, and preferably in a separate RFU module of this mobile control unit, described in connection with the figure 9 , the decryption taking place in this separate module.

Dans une troisième étape préliminaire S13, on itère les étapes précédentes pour la deuxième installation et la deuxième clé commune.In a third preliminary step S13, the preceding steps are iterated for the second installation and the second common key.

A l'issue des étapes préliminaires, qui peuvent avoir lieu dans un ordre quelconque des installations et selon un calendrier quelconque, les deux clés communes sont enregistrées dans l'unité mobile de commande.At the end of the preliminary stages, which can take place in any order of the installations and according to any calendar, the two common keys are recorded in the mobile control unit.

Ces étapes préliminaires peuvent être itérées pour une troisième installation ou un nombre d'installations plus important si le nombre de mémoires de clé commune a été prévu en conséquence.These preliminary steps can be iterated for a third installation or a larger number of installations if the number of common key memories has been planned accordingly.

Des sous-étapes préliminaires, non décrites, ont également permis d'enregistrer les identifiants des équipements aptes à être commandés par l'unité mobile de commande dans chaque installation.Preliminary sub-steps, not described, have also allowed to record the identifiers of equipment that can be controlled by the mobile control unit in each installation.

La figure 3 représente des étapes principales d'un premier mode d'exécution du procédé de fonctionnement. Le procédé de fonctionnement peut être utilisé aussi bien dans un mode d'usage que dans un mode de configuration.The figure 3 represents main steps of a first embodiment of the operating method. The operating method can be used both in a usage mode and in a configuration mode.

Ce procédé de fonctionnement est activé dès lors que plus d'une clé commune a été enregistrée dans l'unité mobile de commande. On suppose dans ce qui suit que l'unité mobile de commande, contenue par exemple dans un porte-clés, est utilisée par un propriétaire utilisateur d'une résidence principale (première installation) et d'une résidence secondaire (deuxième installation).This operating method is activated when more than one common key has been registered in the mobile control unit. It is assumed in the following that the mobile control unit, contained for example in a key ring, is used by a user owner of a principal residence (first installation) and a second home (second installation).

Dans une première étape principale S21, l'utilisateur agit sur l'interface de commande pour émettre un ordre de commande. Par exemple, il a quitté sa résidence principale et arrive au voisinage de sa résidence secondaire: il appuie alors sur le bouton de commande qu'il sait être affecté à l'actionneur de portail 21. Il y a alors passage à une deuxième étape principale S22, dite étape de localisation, dans laquelle l'unité mobile de commande est localisée. La localisation est effectuée en déterminant si l'unité mobile de commande se trouve dans une première zone géographique, couvrant la première installation, ou une deuxième zone, couvrant la deuxième installation. Chaque zone est définie par un contour. Un premier contour (Contour 1) correspond donc à une première zone géographique dans laquelle se trouve la première installation et un deuxième contour (Contour 2) correspond à une deuxième zone géographique dans laquelle se trouve la deuxième installation. La localisation de l'unité mobile de commande dans une zone ou l'autre peut s'effectuer selon plusieurs méthodes, décrites par la suite.In a first main step S21, the user acts on the control interface to issue a control command. For example, he left his main residence and arrives near his second home: he then presses the control button that he knows to be assigned to the gate operator 21. There is then a transition to a second main stage S22, said location step, wherein the mobile control unit is located. The location is performed by determining whether the mobile control unit is in a first geographical area, covering the first installation, or a second area, covering the second installation. Each zone is defined by an outline. A first contour (Contour 1) corresponds to a first geographical area in which the first installation is located and a second contour (Contour 2) corresponds to a second geographical zone in which the second installation is located. The location of the mobile control unit in one area or the other can be carried out according to several methods, described below.

Dans une troisième étape principale S23, dite de sélection automatique, la première clé commune HK1 ou la deuxième clé commune HK2 est choisie comme clé commune HK selon que cette localisation correspond à la première installation ou à la deuxième installation. Il en est de même pour le choix entre un premier ensemble des identifiants TAB1 ou un deuxième ensemble des identifiants TAB2.In a third main step S23, called automatic selection, the first common key HK1 or the second common key HK2 is chosen as common key HK depending on whether this location corresponds to the first installation or the second installation. It is the same for the choice between a first set of identifiers TAB1 or a second set of identifiers TAB2.

Ainsi, dans une quatrième étape principale S24, un ordre de commande et émis par l'unité mobile de commande, cet ordre comprenant à la fois la bonne clé commune et l'identifiant correspondant à l'équipement désigné par l'action sur l'interface de commande.Thus, in a fourth main step S24, a control command and issued by the mobile control unit, this command comprising both the common good key and the identifier corresponding to the equipment designated by the action on the command interface.

Par la suite, dans une cinquième étape principale S25, il y a désactivation automatique des deuxième et troisième étapes principales, celles-ci étant devenues inutiles tant qu'il n'y a pas changement d'installation. Ainsi, l'unité mobile de commande se comporte par la suite comme si elle était affectée uniquement à la deuxième installation, ce qui évite toute perte de temps, tout trafic radio inutile et toute consommation inutile dans l'exécution des prochaines commandes.Subsequently, in a fifth main step S25, there is automatic deactivation of the second and third main stages, the latter having become useless until there is a change of installation. Thus, the mobile control unit behaves thereafter as if it were assigned only to the second installation, which avoids any loss of time, unnecessary radio traffic and unnecessary consumption in the execution of the next orders.

Alternativement, seule la troisième étape principale est désactivée, et ne sera réactivée que si l'étape de localisation montre que la localisation correspond à un changement d'installation.Alternatively, only the third main step is deactivated, and will only be reactivated if the location step shows that the location corresponds to a change of installation.

La figure 4 représente un deuxième mode d'exécution du procédé de fonctionnement se distinguant du premier mode d'exécution en ce qu'il comprend en plus une étape complémentaire ou sixième étape principale S26, dans laquelle il y a automatiquement réactivation de la deuxième étape principale et de la troisième étape principale, dans le cas où l'émission d'une commande ne donne lieu à aucune réponse. L'absence de réponse peut en effet résulter du fait que l'utilisateur a quitté sa résidence secondaire et se trouve à nouveau devant sa résidence principale dont aucun équipement ne répond à un message émis avec la deuxième clé commune HK2. Il y a donc lieu de rétablir une étape de détermination automatique de la localisation de l'unité mobile de commande.The figure 4 represents a second embodiment of the method of operation differing from the first embodiment in that it further comprises a complementary step or sixth main step S26, in which there is automatically reactivation of the second main step and of the third main step, in the case where the issuance of an order gives rise to no response. The absence of an answer may result from the fact that the user has left his second home and is again in front of his principal residence responds to a message sent with the second common key HK2. It is therefore necessary to restore a step of automatically determining the location of the mobile control unit.

La figure 5 représente un troisième mode d'exécution du procédé de fonctionnement se distinguant du premier mode d'exécution en ce que la troisième étape principale comprend une sous-étape S231. Cette sous-étape comprend un téléchargement de la table de l'ensemble des identifiants de l'installation qui vient d'être déterminée et qui peuvent être commandés à partir de l'unité mobile de commande. Ainsi, la capacité mémoire de l'unité mobile de commande affectée à l'enregistrement d'un ensemble d'identifiants peut être réduite, et limitée au nombre maximum d'identifiants contenus dans une installation et/ou susceptibles d'être commandés par l'unité mobile de commande. Par exemple, une télécommande à 4 boutons peut disposer d'un espace mémoire limité à 4 identifiants (si on exclut des identifiants obtenus par combinaison d'appuis de différents boutons).The figure 5 represents a third embodiment of the operating method differing from the first embodiment in that the third main step comprises a substep S231. This substep comprises a download of the table of all the identifiers of the installation which has just been determined and which can be ordered from the mobile control unit. Thus, the memory capacity of the mobile control unit assigned to the registration of a set of identifiers can be reduced, and limited to the maximum number of identifiers contained in an installation and / or likely to be controlled by the user. mobile control unit. For example, a 4 button remote control can have a memory space limited to 4 identifiers (if we exclude identifiers obtained by combination of support of different buttons).

Le téléchargement peut se faire à partir de données stockées dans un serveur distant, ou stockées dans un des équipements de l'installation, préférentiellement un équipement fixe, par exemple le boîtier de commande 18 de la première installation et la passerelle 28 de la deuxième installation.The download can be done from data stored in a remote server, or stored in one of the equipment of the installation, preferably a fixed equipment, for example the control unit 18 of the first installation and the gateway 28 of the second installation .

Si les données sont stockées dans un serveur distant, elles peuvent être transmises via le réseau de communication GSM ou via le réseau partagé. Ces données d'identification des équipements ne nécessitent pas le même degré de sécurité que les clés communes.If the data is stored in a remote server, it can be transmitted via the GSM communication network or via the shared network. This equipment identification data does not require the same degree of security as common keys.

La figure 6 représente un premier mode de réalisation de la deuxième étape principale S22 du premier mode d'exécution du procédé de fonctionnement, sous forme d'une étape unique S221, applicable lorsque l'unité mobile de commande comprend une ressource de géolocalisation, par exemple dans le cas d'un téléphone. Dans cette étape unique, le contour est défini par géolocalisation. Autrement dit, la position de l'unité mobile de commande est déterminée à l'aide du moyen de localisation, par exemple par utilisation de signaux de localisation issus de satellites comme des signaux GPS, et cette position est comparée à un contour préenregistré dans une mémoire cartographique. La détermination de position peut avoir lieu dans ce cas d'une manière indépendante de toute autre action, c'est-à-dire que la deuxième étape principale et la troisième étape principale peuvent alors précéder la première étape principale.The figure 6 represents a first embodiment of the second main step S22 of the first embodiment of the operating method, in the form of a single step S221, applicable when the mobile control unit comprises a geolocation resource, for example in the case of a phone. In this single step, the contour is defined by geolocation. In other words, the position of the mobile control unit is determined using the location means, for example by using location signals from satellites such as GPS signals, and this position is compared to a pre-recorded contour in a cartographic memory. The position determination can take place in this case in a manner independent of any other action, that is, the second main step and the third main step can then precede the first main step.

L'étape de localisation a lieu préférentiellement dans l'unité mobile de commande, celle-ci comprenant une première mémoire cartographique 50 dans laquelle ont été stockées (lors d'une étape de configuration préalable) des coordonnées de position de chaque installation, d'où se déduit le contour relatif à chaque installation.The locating step preferably takes place in the mobile control unit, which comprises a first cartographic memory 50 in which the position coordinates of each installation have been stored (during a prior configuration step), where is deduced the contour relative to each installation.

Par exemple, le contour d'une installation est défini à parti des coordonnées géographiques des deux équipements les plus distants de l'installation et correspond au quadrilatère défini par l'intersection des droites : x = XMIN - 20 , x + XMAX + 20

Figure imgb0001
avec les droites : y = YMIN - 20 , y + YMAX + 20
Figure imgb0002
 XMIN, XMAX, YMIN et YMAX représentant les extrêmes des valeurs de coordonnées géographiques enregistrées dans la mémoire cartographique pour ces équipements distants et une valeur de 20 mètres étant choisie comme marge pour délimiter le contour.For example, the outline of an installation is defined starting from the geographical coordinates of the two most distant equipment of the installation and corresponds to the quadrilateral defined by the intersection of the straight lines: x = XMIN - 20 , x + XMAX + 20
Figure imgb0001
 with the rights: there = YMIN - 20 , there + YMAX + 20
Figure imgb0002
 XMIN, XMAX, YMIN, and YMAX represent the extremes of the geographic coordinate values recorded in the map memory for these remote devices, and a value of 20 meters is chosen as the margin to delimit the outline.

Alternativement, cette étape de localisation peut être exécutée en partie dans le serveur distant, celui-ci pouvant également contenir une deuxième mémoire cartographique 51, contenant les données de géolocalisation des contours de chaque installation.Alternatively, this location step may be partially executed in the remote server, which may also contain a second memory map 51, containing geolocation data of the contours of each installation.

Dans ce cas, la deuxième étape S22 peut comprendre l'envoi par l'unité mobile de commande de l'information de position au serveur distant, en utilisant le réseau de communication GSM, et à recevoir le résultat depuis le serveur distant, par exemple sous forme d'un des trois résultats :

  • R1 : Localisation = Installation_1
  • R2 : Localisation = Installation_2
  • R3 : Localisation = Hors Installations
In this case, the second step S22 may comprise the mobile unit sending the position information to the remote server, using the GSM communication network, and receiving the result from the remote server, for example in the form of one of the three results:
  • R1: Location = Installation_1
  • R2: Location = Installation_2
  • R3: Location = Not Facilities

La figure 7 représente un deuxième mode de réalisation de la deuxième étape principale S22 du premier mode d'exécution du procédé de fonctionnement. Dans ce cas, l'étape de localisation a lieu sous forme d'une étape de détermination S222 basée sur la réponse des équipements du réseau domotique à un ordre de commande comprenant soit la première clé commune, soit la deuxième clé commune. Dans un premier temps, la clé commune en cours, ou clé commune initiale, est utilisée. Si aucune réponse n'est captée par l'unité mobile de commande, alors elle en déduit qu'il faut utiliser l'autre clé commune pour répéter le même ordre. Si une réponse est alors obtenue, on prend désormais cette autre clé commune comme nouvelle clé commune en remplacement de la clé commune initiale. Sinon, cela signifie qu'on est hors de portée radio de chacune des deux installations et on conserve la clé commune initiale, car il est plus probable que l'utilisateur retourne par la suite vers la dernière résidence utilisée plutôt qu'il change de résidence. Alternativement, la mémoire de clé commune HK peut être vidée.The figure 7 represents a second embodiment of the second main step S22 of the first embodiment of the operating method. In this case, the location step takes place in the form of a determination step S222 based on the response of the home network equipment to a control command comprising either the first common key or the second common key. At first, the current common key, or initial common key, is used. If no response is received by the mobile control unit, then it deduces that it is necessary to use the other common key to repeat the same order. If an answer is then obtained, we now take this other common key as a new common key to replace the initial common key. Otherwise, this means that we are out of radio range of both facilities and we keep the initial common key, because it is more likely that the user will eventually return to the last used residence rather than change his residence. . Alternatively, the common key memory HK can be emptied.

Par exemple, l'unité mobile de commande est une télécommande de type porte-clés comprenant 4 touches de commande. Chaque touche de commande est dédiée à un équipement, pour le commander selon un cycle à deux temps (marche - arrêt) ou selon un cycle à 4 temps (sens 1 - arrêt - sens 2 - arrêt) selon le type d'équipement. Une des touches de commande est affectée à la porte de garage (référence 11) dans la première installation et est affectée au portail (référence 21) dans la deuxième installation.For example, the mobile control unit is a key-type remote control comprising 4 control keys. Each control key is dedicated to a device, to control it according to a two-cycle cycle (on-off) or according to a 4-cycle cycle (direction 1 - stop - direction 2 - stop) depending on the type of equipment. One of the control keys is assigned to the garage door (reference 11) in the first installation and is assigned to the gate (reference 21) in the second installation.

On suppose que l'actionneur de porte de garage est défini par l'identifiant ID(11) dans la première table des identifiants TAB1, et que l'actionneur de portail est défini par l'identifiant ID(21) dans la deuxième table des identifiants TAB2. L'unité mobile de commande est utilisée une dernière fois pour fermer la porte de garage de la première installation, au moment où l'utilisateur quitte sa résidence principale. Quand il arrive à proximité de sa résidence secondaire, il active la même touche de commande pour envoyer un ordre d'ouverture du portail.It is assumed that the garage door actuator is defined by the identifier ID (11) in the first table of identifiers TAB1, and that the portal actuator is defined by the identifier ID (21) in the second table of TAB2 identifiers. The mobile control unit is used one last time to close the garage door of the first installation, at the moment the user leaves his main residence. When he arrives near his second home, he activates the same command key to send an order to open the portal.

Cependant, le message émis par l'unité mobile de commande comprend le code de la première clé commune HK1 et l'identifiant ID(11). Cet ordre ne reçoit donc aucune réponse. De ce fait, le message est ré-émis, mais contient cette fois le code de la deuxième clé commune HK2 et l'identifiant ID(21).However, the message sent by the mobile control unit comprises the code of the first common key HK1 and the identifier ID (11). This order therefore receives no response. As a result, the message is re-transmitted, but this time contains the code of the second common key HK2 and the identifier ID (21).

Cet ordre provoque donc un accusé de réception, puis est exécuté. La réception d'un accusé de réception suffit à indiquer à l'unité mobile de commande quelle est sa nouvelle localisation, et termine ainsi l'étape de localisation.This order therefore triggers an acknowledgment and is executed. The reception of an acknowledgment of receipt is sufficient to indicate to the mobile control unit what is its new location, and thus completes the location step.

Le procédé passe alors à la troisième étape principale S23, et la deuxième clé commune HK2 devient la nouvelle clé commune pour tous les ordres qui suivront, au moins tant que ces ordres donneront naissance à réponse de la part des équipements.The process then proceeds to the third main step S23, and the second common key HK2 becomes the new common key for all subsequent orders, at least as long as these orders give rise to response from the equipment.

Ce deuxième mode de réalisation peut aussi bien se prêter à un plus grand nombre de clés communes. Il faut noter que l'envoi de messages successifs par l'unité de commande jusqu'à obtenir un accusé de réception peut être complètement masqué pour l'utilisateur puisque ces échanges peuvent se produire en quelques dixièmes de seconde, voire moins, c'est-à-dire par exemple pendant qu'il appuie sur la touche de commande.This second embodiment may also lend itself to a greater number of common keys. It should be noted that the sending of successive messages by the control unit until an acknowledgment of receipt can be completely hidden for the user since these exchanges can be produce in a few tenths of a second or less, that is to say for example while he presses the control key.

Afin de sécuriser la procédure de basculement de clé commune, l'étape de détermination S222 peut être scindée en deux sous-étapes, également représentées en figure 7, pour s'assurer de la localisation de l'unité mobile de commande. Dans une première sous-étape S222a, une demande de réponse est diffusée, sans indication d'identifiant d'équipement domotique destinataire, en utilisant la clé commune initiale. Tous les équipements utilisant cette clé commune, qui captent cette demande, répondent par un accusé de réception, émis à puissance réduite. Si cette réponse est captée par l'unité mobile de commande, la clé commune est alors conservée. Sinon, l'autre clé commune est utilisée pour itérer les mêmes sous-étapes, et c'est elle qui sera conservée si au moins une réponse est obtenue d'un équipement.In order to secure the common key failover procedure, the determination step S222 can be split into two sub-steps, also represented in FIG. figure 7 , to ensure the location of the mobile control unit. In a first substep S222a, a request for response is broadcast, without indication of destination home automation equipment identifier, using the initial common key. All equipment using this common key, which captures this request, respond with an acknowledgment, issued at reduced power. If this response is picked up by the mobile control unit, then the common key is retained. Otherwise, the other common key is used to iterate the same substeps, and it will be retained if at least one response is obtained from a device.

Alternativement, et plus simplement, le message de diffusion est émis à puissance réduite lors de la première sous-étape S222a et le message de réponse est émis à puissance normale lors de la deuxième sous-étape S222b.Alternatively, and more simply, the broadcast message is transmitted at reduced power during the first substep S222a and the response message is transmitted at normal power during the second substep S222b.

La figure 8 représente un contour C1 utilisé dans ce deuxième mode de réalisation, en supposant que la portée, qui est par exemple de 300 mètres en champ libre, se réduit à 10 mètres quand une des transmissions a lieu à puissance réduite.The figure 8 represents a contour C1 used in this second embodiment, assuming that the range, which is for example 300 meters in a free field, is reduced to 10 meters when one of the transmissions takes place at reduced power.

Ainsi, l'unité mobile de commande cesse d'être à portée d'un au moins des équipements dès qu'on quitte le premier contour C1, formé par l'enveloppe de cercles de rayon 10 mètres centrés sur chacun des équipements. Par exemple le cercle CA est centré sur l'équipement référencé 17 et le cercle CB est centré sur l'équipement référencé 18.Thus, the mobile control unit ceases to be within range of at least one of the equipment as soon as one leaves the first contour C1, formed by the envelope of radius circles 10 meters centered on each of the equipment. For example, the circle CA is centered on the equipment referenced 17 and the circle CB is centered on the equipment referenced 18.

Chaque cercle correspond au lieu des points limites de communication entre l'équipement et l'unité mobile de commande. Quand un équipement présente un caractère directif, le cercle est remplacé par un diagramme de rayonnement de type sensiblement elliptique comme représenté en trait pointillé sous la référence CC pour un diagramme de rayonnement de l'équipement de référence 11.Each circle corresponds to the place of the communication limit points between the equipment and the mobile control unit. When a device has a directional character, the circle is replaced by a radiation pattern of substantially elliptical type as shown in dashed line under the reference CC for a radiation pattern of the reference equipment 11.

La valeur de portée est choisie suffisante pour qu'il y ait chevauchement des cercles ou diagrammes de rayonnement et pour obtenir un seul contour contenant l'ensemble des équipements de l'installation.The range value is chosen sufficient to overlap the circles or radiation patterns and to obtain a single contour containing all the equipment of the installation.

Si l'unité de communication domotique de l'unité mobile de commande ne reçoit aucune réponse au message diffusé lors de la première sous-étape S322, alors l'unité mobile de commande RCU est hors du premier contour C1, et on active la deuxième étape principale du procédé avec une autre clé commune pour déterminer si l'unité mobile de commande se trouve dans un autre contour.If the home automation unit of the mobile control unit receives no response to the message broadcast during the first substep S322, then the mobile control unit RCU is out of the first contour C1, and the second control unit is activated. main step of the method with another common key to determine if the mobile control unit is in another contour.

L'intérêt de définir un contour relativement restreint en dimensions est de permettre d'appliquer le procédé de commande à des installations proches les une des autres, par exemple à plusieurs installations similaires d'un lotissement ou condominium.The advantage of defining a relatively small contour in terms of dimensions is that it makes it possible to apply the control method to installations close to one another, for example to several similar installations of a subdivision or condominium.

Par exemple, à la demande du propriétaire d'une première maison et sous son contrôle, une unité mobile de commande d'une installation domotique d'une maison voisine peut recevoir, comme il a été indiqué plus haut, à la fois la clé commune de la première maison et les identifiants de certains équipements, notamment de type accès, que le propriétaire souhaite mettre à disposition de la maison voisine, par exemple en son absence pour profiter de certaines installations (piscine) ou pour permettre la livraison de biens.For example, at the request of the owner of a first house and under his control, a mobile control unit of a home automation system of a neighboring house can receive, as has been indicated above, both the common key the first house and the identifiers of certain equipment, including access type, that the owner wishes to make available to the neighboring house, for example in his absence to take advantage of certain facilities (pool) or to allow the delivery of goods.

La personne qui dispose de cette télécommande de maison voisine n'est nullement gênée par ce transfert de droits nouveaux puisque le fonctionnement de sa télécommande reste strictement identique dans sa maison voisine. Par contre, au moment où cette télécommande est utilisée pour accéder à la première maison, elle prend automatiquement la configuration apte à commander les équipements autorisés de la première maison.The person who has this remote neighbor home is not at all embarrassed by this transfer of new rights since the operation of his remote remains strictly identical in his neighboring house. On the other hand, when this remote control is used to access the first house, it automatically takes the configuration able to control the authorized equipment of the first house.

Il en résulte une grande facilité d'utilisation, une réduction des coûts puisqu'il est inutile de faire l'acquisition d'une télécommande supplémentaire, une diminution des risques de perte ou vol du moyen d'accès, car les droits sont transférés à un objet nomade auquel la personne qui en dispose tient particulièrement puisqu'il s'agit de la télécommande d'accès à sa propre maison, la maison voisine.This results in a great ease of use, a reduction in costs since it is useless to purchase an additional remote control, a reduction in the risk of loss or theft of the means of access, because the rights are transferred to a nomadic object to which the person who has particular holds because it is the remote access to his own home, the house next door.

Le droit d'utilisation de la clé commune de la première maison est préférentiellement conditionné par une période déterminée ou par un évènement particulier.The right to use the common key of the first house is preferentially conditioned by a specific period or by a particular event.

Dans un autre exemple d'application, les droits d'accès à une chambre d'hôtel sont transférés à l'unité mobile de commande, de manière sécurisée et pour une période déterminée, sous forme de transfert de la clé commune relative à cette chambre d'hôtel et sous forme de table d'identifiants des équipements de la chambre d'hôtel. Toutes les préférences du propriétaire de l'unité mobile de commande peuvent avoir été enregistrées, ou être communiquées par un serveur distant, de manière à l'accueillir avec son environnement habituel.In another example of application, the rights of access to a hotel room are transferred to the mobile control unit, in a secure manner and for a specified period, in the form of transfer of the common key relating to this room of hotel and in the form of table of identifiers of the equipments of the room of hotel. All the preferences of the owner of the mobile control unit may have been recorded, or communicated by a remote server, so as to accommodate it with its usual environment.

Alternativement ou de manière complémentaire à ce qui vient d'être décrit, un signal indicateur de la puissance d'émission (en anglais : « Received Signal Strength Indicator - RSSI) peut être utilisé dans les étapes de localisation et/ou de sélection d'une des clés communes, notamment pour faire face au cas où deux installations sont suffisamment voisines pour qu'il y ait recouvrement des portées, y compris quand l'émission est réalisée à puissance réduite. Dans ce cas, une variante des deuxième et troisième étapes principales consiste à diffuser un premier message d'interrogation avec la première clé commune et à enregistrer une première valeur correspondant plus fort niveau RSSI des réponses, puis à itérer la même opération avec la deuxième clé commune et à enregistrer de même une deuxième valeur. La sélection de la clé commune est réalisée en prenant celle ayant donné la plus forte valeur. Alternativement, la première valeur et la deuxième valeur correspondent à une valeur moyenne des nivaux RSSI reçus dans chaque cas.Alternatively or in a manner complementary to what has just been described, a signal indicating the transmission power (in English: "Received Signal Strength Indicator - RSSI) can be used in the steps of locating and / or selecting the one of the common keys, in particular to deal with the case where two installations are sufficiently close to carried, including when the emission is carried out at reduced power. In this case, a variant of the second and third main steps consists of broadcasting a first interrogation message with the first common key and recording a first value corresponding to the highest RSSI level of the responses, then iterating the same operation with the second key. and record a second value. The selection of the common key is made by taking the one giving the highest value. Alternatively, the first value and the second value correspond to an average value of the RSSI levels received in each case.

Sauf incompatibilité technique ou logique, les différents modes d'exécution du procédé de fonctionnement peuvent être combinés entre eux. De même, sauf incompatibilité technique ou logique, les différents modes de réalisation des étapes peuvent être appliqués aux différents modes d'exécution et aux différentes combinaisons des modes d'exécution.Unless technical or logical incompatibility, the different modes of execution of the operating method can be combined with each other. Likewise, unless technical or logical incompatibility, the different embodiments of the steps can be applied to the different execution modes and the different combinations of the execution modes.

Claims (15)

  1. A method of operating a mobile control unit (40) intended to form successively and alternatively part:
    - of a first home-automation installation (100) comprising appliances (11, 12, 13, 14, 15, 16, 17, 18) communicating on a first home-automation network (19), each element of the first installation being provided with an identifier and sharing one and the same first common key specific to the first home-automation network and authenticating an appliance's membership of the first home-automation network, and
    - of a second home-automation installation (200) comprising appliances (21, 22, 23, 24, 25, 26, 27, 28) communicating on a second home-automation network (29), each element of the second installation being provided with an identifier and sharing one and the same second common key specific to the second home-automation network and authenticating an appliance's membership of the second home-automation network, and
    the mobile control unit comprising a memory (47b) containing several common keys, which include the first and second common keys, the method comprising:
    - a step of locating the mobile control unit in relation to the first home-automation installation and/or in relation to the second home-automation installation,
    - a step of automatically selecting a common key in the mobile control unit, according to the result of the locating step.
  2. The operating method as claimed in claim 1, characterized in that at least one of the appliances of the first installation is a motorized closure appliance and/or at least one of the appliances of the second installation is a motorized closure appliance.
  3. The operating method as claimed in claim 1 or 2, characterized in that the locating step comprises the comparing of geolocation data for the mobile control unit with a contour recorded in a cartographic memory (50).
  4. The operating method as claimed in claim 1 or 2, characterized in that the locating step comprises the reception by the mobile control unit of a response of at least one of the home-automation appliances to a message dispatched by the mobile control unit.
  5. The operating method as claimed in claim 4, characterized in that it comprises a step of transmitting a first message, comprising a response request, by the mobile control unit and a step of transmitting a second message by each appliance that received the first message.
  6. The operating method as claimed in claim 5, characterized in that one of the transmission steps is carried out at reduced power.
  7. The operating method as claimed in claim 4, characterized in that it comprises a step of transmitting a third message comprising a control command and the first common key and a step of transmitting a fourth message comprising the same control command with the second common key when the third message has not given rise to any response picked up by the mobile control unit.
  8. The operating method as claimed in one of the preceding claims, characterized in that the locating step and/or the automatic selection step is deactivated provided that a common key has been selected.
  9. The operating method as claimed in claim 8, characterized in that the locating step and/or the automatic selection step is reactivated provided that a transmitted order does not give rise to a response of a home-automation appliance.
  10. The operating method as claimed in one of the preceding claims, characterized in that it comprises a step of securely transmitting the first and second common keys and of recording these common keys in the mobile control unit.
  11. The operating method as claimed in one of the preceding claims, characterized in that it comprises a step of downloading into the mobile control unit a table of the identifiers of home-automation appliances which are able to be controlled by the mobile control unit.
  12. The operating method as claimed in one of claims 10 or 11, characterized in that the secure transmission step or the downloading step is performed on the basis of data situated in a remote server (31).
  13. The operating method as claimed in one of the preceding claims, characterized in that the step of locating the mobile control unit comprises the locating of the mobile control unit in relation to a first geographical zone containing the elements of the first home-automation installation and/or the locating of the mobile control unit in relation to a second geographical zone containing the elements of the second home-automation installation.
  14. A mobile control unit (40) comprising hardware (41, 42, 43, 44, 46, 50, 45, 48, 49, 47a, 47b) and/or software means for implementing the operating method as claimed in one of claims 1 to 13.
  15. An installation (100; 200) comprising a mobile control unit as claimed in the preceding claim.
EP11773293.3A 2010-10-26 2011-10-25 Method of operating a mobile control unit of a home-automation installation Active EP2633506B1 (en)

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FR1058766A FR2966627B1 (en) 2010-10-26 2010-10-26 METHOD FOR OPERATING A MOBILE CONTROL UNIT OF A DOMOTIC INSTALLATION
PCT/EP2011/068635 WO2012055858A1 (en) 2010-10-26 2011-10-25 Method of operating a mobile control unit of a home-automation installation

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CN103262133A (en) 2013-08-21
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FR2966627A1 (en) 2012-04-27
EP2633506A1 (en) 2013-09-04
WO2012055858A1 (en) 2012-05-03

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